Caughley, Graeme, author
John Wiley & Sons, 1980
Buku Teks
Hildebrand, Milton, 1918-, author
John Wiley & Sons, 1982
Buku Teks
William N. McFarland ...[et al.]
Macmillan, 1979
Buku Teks
Pough, F. Harvey, author
Prentice-Hall, 1996
Buku Teks
Pough, F. Harvey, author
Prentice-Hall, 1999
Buku Teks